Clay Basin Inventory - MountainWest Pipeline

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Gas Day Estimated Total
Contracted Working Gas
Estimated Total
Working Gas Inventory
Park And Loan
Inventory
(Included In Total
Inventory)
Interruptible Inventory
(Included In Total Inventory)
Working Gas
Percent Full
Previous Year's Total
Clay Basin
Reservoir Inventory
Previous Year's Percent
Of Reservoir Working Gas
Estimated Current Daily
Injection Capacity
Estimated Current Daily
Park/Loan
Injection Capacity
Estimated Current Daily
Withdrawal Capacity
Withdrawal On NWP
Is Limited To:
10/29/2025 57,456,750 56,542,277 0 4,765,552 98.41% 50,598,453 88.06% 225,000 0 450,000 320,000
10/28/2025 57,456,750 56,542,367 0 4,795,929 98.41% 50,654,948 88.16% 225,000 0 450,000 320,000
10/27/2025 57,456,750 56,543,262 0 4,797,540 98.41% 50,689,756 88.22% 225,000 0 450,000 320,000
10/26/2025 57,456,750 56,491,797 0 4,741,666 98.32% 50,729,618 88.29% 225,000 0 450,000 320,000
10/25/2025 57,456,750 56,285,213 0 4,717,165 97.96% 50,680,255 88.21% 225,000 0 150,000 150,000
10/24/2025 57,456,750 56,090,252 0 4,690,305 97.62% 50,622,093 88.1% 225,000 0 150,000 150,000
10/23/2025 57,456,750 55,903,444 0 4,472,928 97.3% 50,568,133 88.01% 225,000 0 150,000 150,000
10/22/2025 57,456,750 55,782,604 0 4,376,598 97.09% 50,692,174 88.23% 225,000 0 150,000 150,000
10/21/2025 57,456,750 55,688,687 0 4,330,080 96.92% 50,631,133 88.12% 200,000 25,000 150,000 150,000
10/20/2025 57,456,750 55,608,021 0 4,241,296 96.78% 50,628,427 88.12% 200,000 25,000 150,000 150,000
10/19/2025 57,456,750 55,515,751 0 4,234,723 96.62% 50,575,932 88.02% 200,000 25,000 150,000 150,000
10/18/2025 57,456,750 55,353,981 0 4,233,160 96.34% 50,483,934 87.86% 200,000 25,000 150,000 150,000
10/17/2025 57,456,750 55,198,242 0 4,214,861 96.07% 50,407,281 87.73% 200,000 25,000 150,000 150,000
10/16/2025 57,456,750 55,093,315 0 4,194,116 95.89% 50,402,598 87.72% 200,000 25,000 150,000 150,000
10/09/2025 57,456,750 55,095,383 0 3,920,707 95.89% 50,175,486 87.33% 200,000 25,000 150,000 150,000
10/08/2025 57,456,750 55,092,893 0 3,920,707 95.89% 50,175,486 87.33% 200,000 25,000 150,000 150,000
10/07/2025 57,456,750 54,899,713 0 3,920,707 95.55% 50,175,486 87.33% 200,000 25,000 150,000 150,000
10/06/2025 57,456,750 54,691,351 0 3,910,707 95.19% 50,175,486 87.33% 200,000 25,000 0 0
10/05/2025 57,456,750 54,519,987 0 3,898,925 94.89% 50,175,486 87.33% 200,000 25,000 0 0
10/04/2025 57,456,750 54,285,802 0 3,838,925 94.48% 50,175,486 87.33% 200,000 25,000 0 0
10/03/2025 57,456,750 54,065,858 0 3,838,925 94.1% 50,175,486 87.33% 200,000 25,000 150,000 150,000
10/02/2025 57,456,750 53,872,088 0 3,814,930 93.76% 50,172,833 87.32% 200,000 25,000 150,000 150,000
10/01/2025 57,456,750 53,666,042 0 3,783,559 93.4% 49,941,664 86.92% 200,000 25,000 150,000 150,000
09/30/2025 57,456,750 53,459,229 0 3,760,474 93.04% 49,743,759 86.58% 200,000 25,000 150,000 150,000
09/29/2025 57,456,750 53,265,221 0 3,739,631 92.7% 49,743,599 86.58% 200,000 25,000 150,000 150,000
09/28/2025 57,456,750 53,076,192 0 3,711,728 92.38% 49,684,746 86.47% 200,000 25,000 150,000 150,000
09/27/2025 57,456,750 52,865,115 0 3,611,755 92.01% 49,681,848 86.47% 200,000 25,000 150,000 150,000
09/26/2025 57,456,750 52,733,859 0 3,564,733 91.78% 49,685,097 86.47% 200,000 25,000 150,000 150,000
09/25/2025 57,456,750 52,584,084 0 3,521,025 91.52% 49,696,761 86.49% 200,000 25,000 150,000 150,000
09/24/2025 57,456,750 52,463,742 0 3,505,326 91.31% 49,702,885 86.5% 200,000 25,000 150,000 150,000
09/23/2025 57,456,750 52,353,984 0 3,479,829 91.12% 49,682,729 86.47% 200,000 25,000 150,000 150,000
09/22/2025 57,456,750 52,356,379 0 3,469,492 91.12% 49,676,815 86.46% 200,000 25,000 150,000 150,000
09/21/2025 57,456,750 52,183,690 0 3,458,985 90.82% 49,676,737 86.46% 200,000 25,000 150,000 150,000
09/20/2025 57,456,750 51,994,839 0 3,444,819 90.49% 49,581,967 86.29% 200,000 25,000 150,000 150,000
09/19/2025 57,456,750 51,835,194 0 3,444,056 90.22% 49,537,007 86.22% 200,000 25,000 150,000 150,000
09/18/2025 57,456,750 51,704,679 0 3,441,901 89.99% 49,481,221 86.12% 200,000 25,000 150,000 150,000
09/17/2025 57,456,750 51,591,078 0 3,425,018 89.79% 49,384,070 85.95% 200,000 25,000 150,000 150,000
09/16/2025 57,456,750 51,489,610 0 3,441,246 89.61% 49,386,420 85.95% 200,000 25,000 150,000 150,000
09/15/2025 57,456,750 51,368,713 0 3,456,912 89.4% 49,294,654 85.79% 200,000 25,000 150,000 150,000
09/14/2025 57,456,750 51,187,245 0 3,463,389 89.09% 49,182,506 85.6% 200,000 25,000 150,000 150,000
09/13/2025 57,456,750 50,968,248 0 3,468,461 88.71% 49,079,897 85.42% 200,000 25,000 150,000 150,000
09/12/2025 57,456,750 50,767,147 0 3,467,939 88.36% 49,054,994 85.38% 200,000 25,000 150,000 150,000
09/11/2025 57,456,750 50,589,944 0 3,452,646 88.05% 48,887,293 85.09% 200,000 25,000 150,000 150,000
09/10/2025 57,456,750 50,526,436 0 3,457,150 87.94% 48,892,126 85.09% 200,000 25,000 150,000 150,000
09/09/2025 57,456,750 50,418,106 0 3,448,886 87.75% 48,827,203 84.98% 200,000 25,000 150,000 150,000
09/08/2025 57,456,750 50,275,392 0 3,466,153 87.5% 48,814,490 84.96% 200,000 25,000 150,000 150,000
09/07/2025 57,456,750 50,111,615 0 3,485,925 87.22% 48,784,021 84.91% 200,000 25,000 150,000 150,000
09/06/2025 57,456,750 49,899,905 0 3,467,007 86.85% 48,746,065 84.84% 200,000 25,000 150,000 150,000
09/05/2025 57,456,750 49,692,822 0 3,471,627 86.49% 48,753,807 84.85% 200,000 25,000 150,000 150,000
09/04/2025 57,456,750 49,529,885 0 3,461,818 86.2% 48,761,034 84.87% 200,000 25,000 150,000 150,000
09/03/2025 57,456,750 49,434,310 0 3,529,200 86.04% 48,711,518 84.78% 175,000 25,000 150,000 150,000
09/02/2025 57,456,750 49,416,016 0 3,567,745 86.01% 48,608,158 84.6% 175,000 25,000 150,000 150,000
09/01/2025 57,456,750 49,326,729 0 3,593,026 85.85% 48,491,441 84.4% 175,000 25,000 150,000 150,000
08/31/2025 57,456,750 49,140,415 0 3,507,592 85.53% 48,367,094 84.18% 175,000 25,000 150,000 150,000
08/30/2025 57,456,750 48,886,029 0 3,507,604 85.08% 48,182,988 83.86% 175,000 25,000 150,000 150,000
08/29/2025 57,456,750 48,722,261 344,555 3,506,364 84.8% 48,059,722 83.65% 175,000 25,000 150,000 150,000
08/28/2025 57,456,750 48,690,657 348,158 3,506,364 84.74% 47,947,538 83.45% 175,000 25,000 150,000 150,000
08/27/2025 57,456,750 48,610,476 348,158 3,496,158 84.6% 47,867,445 83.31% 175,000 25,000 150,000 150,000
08/26/2025 57,456,750 48,518,762 348,158 3,483,174 84.44% 47,750,926 83.11% 175,000 25,000 250,000 250,000
08/25/2025 57,456,750 48,458,723 358,275 3,483,174 84.34% 47,709,897 83.04% 175,000 25,000 250,000 250,000
08/24/2025 57,456,750 48,389,815 371,914 3,473,179 84.22% 47,600,795 82.85% 175,000 25,000 250,000 250,000
08/23/2025 57,456,750 48,433,765 397,631 3,465,256 84.3% 47,474,945 82.63% 175,000 25,000 250,000 250,000
08/22/2025 57,456,750 48,521,116 410,554 3,449,232 84.45% 47,317,979 82.35% 175,000 25,000 250,000 250,000
08/21/2025 57,456,750 48,664,732 483,282 3,441,218 84.7% 47,240,128 82.22% 175,000 25,000 250,000 250,000
08/20/2025 57,456,750 48,809,401 577,215 3,439,360 84.95% 47,232,211 82.2% 175,000 25,000 250,000 250,000
08/19/2025 57,456,750 48,817,500 666,728 3,433,764 84.96% 47,305,311 82.33% 175,000 25,000 250,000 250,000
08/18/2025 57,456,750 48,769,592 738,364 3,406,906 84.88% 47,227,190 82.2% 175,000 25,000 250,000 250,000
08/17/2025 57,456,750 48,674,710 738,364 3,380,048 84.72% 47,147,108 82.06% 175,000 25,000 250,000 250,000
08/16/2025 57,456,750 48,490,296 738,364 3,353,190 84.39% 47,092,544 81.96% 175,000 25,000 250,000 250,000
08/15/2025 57,456,750 48,338,390 738,364 3,326,332 84.13% 46,998,652 81.8% 175,000 25,000 250,000 250,000
08/14/2025 57,456,750 48,184,588 738,364 3,299,474 83.86% 46,881,672 81.59% 175,000 25,000 250,000 250,000
08/13/2025 57,456,750 48,054,606 738,364 2,269,915 83.64% 46,844,159 81.53% 175,000 25,000 250,000 250,000
08/12/2025 57,456,750 47,934,413 738,364 2,258,071 83.43% 46,960,817 81.73% 175,000 25,000 250,000 250,000
08/11/2025 57,456,750 47,908,940 738,364 2,231,213 83.38% 46,954,742 81.72% 175,000 25,000 250,000 250,000
08/10/2025 57,456,750 47,822,248 762,449 2,195,796 83.23% 46,848,363 81.54% 175,000 25,000 250,000 250,000
08/09/2025 57,456,750 47,700,764 769,121 2,177,144 83.02% 46,747,905 81.36% 175,000 25,000 250,000 250,000
08/08/2025 57,456,750 47,553,437 775,000 2,176,187 82.76% 46,758,090 81.38% 175,000 25,000 250,000 250,000
08/07/2025 57,456,750 47,385,910 775,000 2,169,288 82.47% 46,869,128 81.57% 175,000 25,000 250,000 250,000
08/06/2025 57,456,750 47,245,087 775,000 2,170,233 82.23% 46,865,753 81.57% 175,000 25,000 250,000 250,000
08/05/2025 57,456,750 47,160,853 775,000 2,170,233 82.08% 46,845,627 81.53% 175,000 25,000 250,000 250,000
08/04/2025 57,456,750 47,050,502 775,000 2,170,233 81.89% 46,775,585 81.41% 175,000 25,000 250,000 250,000
08/03/2025 57,456,750 46,949,382 775,000 2,151,450 81.71% 46,697,869 81.27% 175,000 25,000 250,000 250,000
08/02/2025 57,456,750 46,771,028 775,000 2,151,450 81.4% 46,617,583 81.14% 175,000 25,000 250,000 250,000
08/01/2025 57,456,750 46,601,057 775,000 2,151,450 81.11% 46,669,714 81.23% 175,000 25,000 250,000 250,000
07/31/2025 57,456,750 46,428,338 775,000 2,130,322 80.81% 46,695,670 81.27% 175,000 25,000 250,000 250,000

* Estimated daily pipeline capacities will vary due to various operational conditions.